[VOL-2736]host and port should be specified as a single argument not as two separate arguments

Change-Id: I5a3a494c38dafa1e7e18e1f1cd55c0035359c7a9
diff --git a/rw_core/main.go b/rw_core/main.go
index 6884993..ddfb2b1 100644
--- a/rw_core/main.go
+++ b/rw_core/main.go
@@ -136,7 +136,7 @@
 	 * objects there can be a single probe end point for the process.
 	 */
 	p := &probe.Probe{}
-	go p.ListenAndServe(fmt.Sprintf("%s:%d", cf.ProbeHost, cf.ProbePort))
+	go p.ListenAndServe(cf.ProbeAddress)
 
 	// Add the probe to the context to pass to all the services started
 	probeCtx := context.WithValue(ctx, probe.ProbeContextKey, p)